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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.i360day.invoker.registry;

import com.i360day.invoker.annotation.RemoteScan;
import com.i360day.invoker.common.StringUtils;
import com.i360day.invoker.exception.RemoteScanBeanDefinitionRegistryException;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.core.type.classreading.MetadataReader;
import org.springframework.core.type.classreading.MetadataReaderFactory;
import org.springframework.core.type.classreading.SimpleMetadataReaderFactory;

/**
 * 初始化自定义扫描
 * @author liju.z
 * @date 2023/5/12 22:38
 */
public class RemoteScanDefinitionRegistryPostProcessor extends RemoteAnnotationParserSupport implements BeanDefinitionRegistryPostProcessor {

    private MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();

    @Override
    public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry) throws BeansException {
        for (String beanDefinitionName : registry.getBeanDefinitionNames()) {
            String beanClassName = registry.getBeanDefinition(beanDefinitionName).getBeanClassName();
            if (StringUtils.isEmpty(beanClassName)) continue;
            try {
                MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(beanClassName);
                AnnotationMetadata annotationMetadata = metadataReader.getAnnotationMetadata();

                if (annotationMetadata.hasAnnotation(RemoteScan.class.getName())) {
                    getRegistrarFactory().registerBeanDefinitions(annotationMetadata, registry);
                }
            } catch (Exception e) {
                throw new RemoteScanBeanDefinitionRegistryException(e);
            }
        }
    }

}
